铅蓄电池 S.J.T.U. Phase Transformation and Applications 电流方向 正极 0000000T 电子流向 PbO,+4H*+SO+2e>PbSO+2H,O e e e 负极 PbO2 Pb Pb+SO-→PbSO4+2e SO好 总反应 PbO,+Pb+4H*+SO>2PbSO+2H,O PbSO4 PbSO4 H2SO4水溶液 SJTU Thermodynamics of Materials Springl2006©X.J.Jin Lecture 11 Electrochemistry IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2006 © X. J. Jin Lecture 11 Electrochemistry II 铅蓄电池 4 2OHPbSOeSOHPbO 2 2 4 4 2 +→+++ 2 + −− − − SOPb 4 +→+ 2ePbSO 24 负极 SOHPbPbO 4 2OHPbSO 2 2 4 4 →+++ + 22 + − 正极 总反应